FAN6862H − Highly Integrated Green-Mode PWM Controller

A highly integrated PWM controller, FAN6862H(HR) provides several features to enhance the performance of flyback converters. To minimize standby power consumption, a proprietary Green-Mode function provides off-time modulation to continuously decrease the switching frequency under light-load conditions. Under zero-load conditions, the power supply enters Burst Mode, which completely shuts off PWM output. Output restarts just before the supply voltage drops below the UVLO lower limit. This Green-Mode function enables power supplies to meet international power conservation requirements. The FAN6862H(HR) is designed for SMPS and integrates frequency-hopping function internally, which helps reduce EMI emission of a power supply with minimum line filters. The built-in synchronized slope compensation is proprietary saw-tooth compensation for constant output power limit over universal AC input range. The gate output is clamped at 18V to protect the external MOSFET from over-voltage damage. Other protection functions include V_DD Over-Voltage Protection (OVP) and Over-Temperature Protection (OTP). For over-temperature protection, an external NTC thermistor can be applied to sense the ambient temperature. When V_DD OVP or OTP is activated, an internal latch circuit latches off the controller.

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Product Status/Pricing/Packaging

Index	Product	Product & Eco Status	*Pricing	Packaging & Packing Info	**Package Marking Convention	Qualification Support	Compliance Certificates
0	FAN6862HTY	Full Production Green as of Mar 2010	$0.39	SSOT 6L Details SSOT 6L Drawing TAPE REEL	Line 1:&E (Space) &E (Space) &Y (Binary Calendar Year Coding) Show more... Line 2:&O (Plant Code) ABOB&C (Die Run) Line 3:&. (Pin One) &O (Plant Code) &E (Space) &V (Eight Week Binary Datecoding)	FIT : 1 ESD (CDM) : 2000 V ESD (HBM) : 4000 V Show more... Moisture Sensitivity Level (MSL) : 1 Max Reflow Temp : 260	RoHS IPC1752 RoHS/REACH/JIG RoHS/REACH/JIG

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Top mark packaging information for product FAN6862H is available. **

Features

Low Startup Current: 8µA
Low Operating Current in Green Mode: 2mA
Peak-Current Mode Operation with Cycle-by-Cycle Current Limiting
PWM Frequency Continuously Decreasing with Burst Mode at Light Loads
V_DD Over-Voltage Protection (OVP)
Constant Output Power Limit (Full AC Input Range)
Internal Latch Circuit (FAN6862H) for OVP, OTP
Fixed PWM Frequency (100KHz) with Frequency Hopping
Feedback Open-Loop Protection with 56ms Delay
Soft Startup Time: 5ms

Applications

Notebook PC

Wireless LAN Access Point/Router

External AC-DC Merchant Power Supply - Wireless Communications

DVD

STB

Reference Designs

Application	Document Number	Featured Products	Output Power	Input Voltage	Topology
Netbook Adapter	RD-337	FAN6862, FAN6862H, FAN6862HR, FAN6862L, FAN6862R	40W	90-265V_AC	Flyback Converter

Additional Resources

Design Tools Knowledgebase – Ask a Question Find a local sales office Product change notices (PCN) How to Buy Products or Order Samples

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